Home / 433,123.20-649,733.40-133,601.40

Finding the Fourth Proportional to 433,123.20, 649,733.40 and 133,601.40

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Solution

The fourth proportional to 433,123.20, 649,733.40 and 133,601.40 is: 200,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,123.20 : 649,733.40 = 133,601.40 : x
  2. Step 2: Convert to fraction form
    433,123.20/649,733.40 = 133,601.40/x
  3. Step 3: Cross multiply
    433,123.20x = 649,733.40 × 133,601.40
  4. Step 4: Simplify right side
    433,123.20x = 86,805,291,866.76
  5. Step 5: Solve for x
    x = 86,805,291,866.76/433,123.20
  6. Step 6: Final answer
    x = 200,417.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.